The R2U1N1B0A1T0A occupies the R2U1 tier — one step above the entry R2U0 and one below the R2U2 — in Emerson's UP performance ladder. Powered by a 7th Gen Intel Core i3-7102E dual-core processor at 2.1 GHz with 8 GB DDR4-2400 and a 128 GB SSD, it is the lowest-cost path to a PCIe-expandable Intel industrial PC in the RXi2 family. The single PCIe slot accepts a fieldbus card, modest frame grabber, or additional Ethernet controller, making it suitable for dedicated machine control or protocol gateway roles that need expansion beyond the onboard 5-port Ethernet complement.

Why choose the R2U1 over the R2U0 or R2U2?

The R2U1 tier is defined by the presence of a PCIe slot — the entry R2U0 has none — combined with moderate memory and storage. Against the R2U0 (e.g., R2U0N1E1A1T0A with i5-7442EQ, 8 GB, no PCIe), the R2U1 trades CPU performance (i3 vs i5) for expandability. Against the R2U2 (Xeon E3, 32 GB ECC, 2 slots), it trades memory capacity and ECC protection for a lower price point. The R2U1 fits the role of a dedicated, expandable appliance — OPC UA gateway with a Profinet card, or a single-purpose HMI with a fieldbus interface — where the CPU workload is predictable and 8 GB is adequate.